Omega Style No: 123.25.27.20.55.007 Omega Constellation Co-Axial Watch - 27 mm Steel Case - Diamond-Set Yellow Gold Bezel - Mother-Of-Pearl Dial

27 mm stainless steel case, transparent back, diamond-set 18K yellow gold bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, white mother-of-pearl dial with a wavy pattern that flows between the iconic claws, 11 diamond indexes, date window at 3 o'clock, caliber 8520 self-winding movement with automatic winding in both directions to reduce winding time, approximately 50 hours of power reserve, stainless steel bracelet with 18K gold links. Water resistant to 10 bar.